Philly Cheesesteak Stromboli (Printer-Friendly)

Golden bread stuffed with roast beef, sautéed vegetables, and melted provolone cheese for hearty dinners.

# What You'll Need:

→ Dough

01 - 1 frozen white bread loaf (thawed)

→ Spread

02 - 1/2 cup mayonnaise
03 - 1 teaspoon garlic powder

→ Vegetables

04 - 1 green bell pepper (diced)
05 - 1 medium yellow onion (diced)
06 - 1 cup mushrooms (thinly sliced)

→ Proteins

07 - 8 ounces deli roast beef (thinly sliced)

→ Cheeses

08 - 8 ounces provolone cheese (sliced)

→ Finishing

09 - 2 tablespoons unsalted butter (divided)
10 - 1 teaspoon garlic salt
11 - 1 teaspoon sesame seeds
12 - 1 teaspoon dried parsley

# Steps to Follow:

01 - Place frozen white bread loaf in a greased bowl covered with plastic wrap. Let rise in a warm area until dough is fully thawed and has doubled in size, approximately 2 to 3 hours.
02 - Dice bell pepper and onion, and thinly slice mushrooms. Heat 1 tablespoon butter in a skillet over medium heat. Sauté vegetables until softened and lightly browned, about 6 minutes. Remove from heat and cool slightly.
03 - Set oven temperature to 375°F. Line a baking sheet with parchment paper or spray with cooking spray for easy removal.
04 - On a lightly floured surface, roll the risen dough into a 12 by 18 inch rectangle, maintaining even thickness without tearing.
05 - Combine mayonnaise and garlic powder in a small bowl, mixing thoroughly. Spread evenly across the dough surface, leaving a 1/2 inch border around edges.
06 - Arrange sliced roast beef evenly over the mayonnaise layer. Distribute sautéed vegetables evenly on top. Finally, layer provolone cheese slices to cover, overlapping if necessary.
07 - Starting from one long edge, tightly roll the dough like a jelly roll. Tuck fillings in as needed. Pinch seams and ends firmly to seal.
08 - Place the roll seam-side down on the prepared baking sheet. Melt remaining butter and brush generously over the top. Sprinkle with garlic salt, sesame seeds, and dried parsley evenly.
09 - Bake in the preheated oven for 15 to 20 minutes, until crust is golden brown and internal temperature reaches 165°F.
10 - Remove from oven and allow the stromboli to rest for 5 minutes to set. Slice with a serrated knife and serve warm.

# Extra Suggestions:

01 - For best texture, ensure the dough is fully thawed and risen before rolling.
02 - Cool sautéed vegetables slightly before assembling to prevent sogginess.
03 - Use a generous butter brush on the crust for enhanced golden color and flavor.